Cellular stress can trigger a process of self-destruction known as apoptosis. Cells can also respond to stress by adaptive changes that increase their ability to tolerate normally lethal conditions. The major heat shock protein, Hsp70, is an effective inhibitor of apoptosis. Hsp70 rescues cells from apoptosis later in the death signaling pathway than any known anti-apoptotic protein. Down regulation of Hsp70 could be interesting in treatment for cancer.
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Orsini F, Migliaccio E, Moroni M, Contursi C, Raker VA, Piccini D, Martin-Padura I, Pelliccia G, Trinei M, Bono M, Puri C, Tacchetti C, Ferrini M, Mannucci R, Nicoletti I, Lanfrancone L, Giorgio M, Pelicci PG; ''The life span determinant p66Shc localizes to mitochondria where it associates with mitochondrial heat shock protein 70 and regulates trans-membrane potential.''; J Biol Chem, 2004 PubMedEurope PMCScholia
Schett G, Steiner CW, Gröger M, Winkler S, Graninger W, Smolen J, Xu Q, Steiner G; ''Activation of Fas inhibits heat-induced activation of HSF1 and up-regulation of hsp70.''; FASEB J, 1999 PubMedEurope PMCScholia
Jäättelä M, Wissing D, Kokholm K, Kallunki T, Egeblad M; ''Hsp70 exerts its anti-apoptotic function downstream of caspase-3-like proteases.''; EMBO J, 1998 PubMedEurope PMCScholia
Saleh A, Srinivasula SM, Balkir L, Robbins PD, Alnemri ES; ''Negative regulation of the Apaf-1 apoptosome by Hsp70.''; Nat Cell Biol, 2000 PubMedEurope PMCScholia
Mosser DD, Caron AW, Bourget L, Meriin AB, Sherman MY, Morimoto RI, Massie B; ''The chaperone function of hsp70 is required for protection against stress-induced apoptosis.''; Mol Cell Biol, 2000 PubMedEurope PMCScholia
Gurbuxani S, Schmitt E, Cande C, Parcellier A, Hammann A, Daugas E, Kouranti I, Spahr C, Pance A, Kroemer G, Garrido C; ''Heat shock protein 70 binding inhibits the nuclear import of apoptosis-inducing factor.''; Oncogene, 2003 PubMedEurope PMCScholia
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